Sensor technology will enable smartphone users to keep track of sleep patterns, heart rate, exercise, and weight.
Category: Apps
http://appleinsider.com/articles/13/01/25/doctors-see-apples-iphone-as-life-saver-in-the-future-of-medicine
A doctor recently used his iPhone, in combination with AliveCor, a mounted sensor capable of delivering clinically accurate electrocardiograms, while in flight, to measure the vital signs of a passenger experiencing severe chest pains at 30,000 feet.
The results indicated that the passenger was having a heart attack. The doctor recommended an urgent landing, and the passenger survived after being rushed to the hospitall
http://online.wsj.com/article/SB10001424127887323783704578245973988828066.html#
Researchers from the University of Pittsburgh Medical Center tested four apps to analyze images of 188 moles, including 60 melanomas. All of these moles were pre-evaluated by a dermatologist.
The best-performing app forwarded the images to board-certified dermatologists to review at cost of $5 per mole, and claims to be accurate 98% of the time. Some are skeptical. We are sure that we will soon see a proliferation of early, at home detection apps.

http://www.techradar.com/news/phone-and-communications/mobile-phones/samsung-galaxy-s4-health-tracking-features-rival-fitbit-fuelband-1137737